Senior Backend Developer

Key Responsibilities:

• Design and develop backend components and sub-systems for large-scale platforms under guidance from senior engineers.
• Contribute to building and evolving the next-generation customer data platform.
• Write clean, efficient, and well-tested code with a focus on scalability and performance.
• Explore and experiment with modern technologies—especially open-source frameworks—
• and build small prototypes or proof-of-concepts.
• Use AI-assisted development tools to accelerate coding, testing, debugging, and learning while adhering to engineering best practices.
• Participate in code reviews, design discussions, and continuous improvement of the platform.

Qualifications:

• 0–2 years of experience (or strong academic/project background) in backend development with Java.
• Good fundamentals in algorithms, data structures, and basic performance optimizations.
• Bachelor’s or Master’s degree in Computer Science or IT (B.E / B.Tech / M.Tech / M.S) from premier institutes.

Technical Skill Set:

• Strong aptitude and analytical skills with emphasis on problem solving and clean coding.
• Working knowledge of SQL and NoSQL databases.
• Familiarity with unit testing frameworks and writing testable code is a plus.
• Basic understanding of distributed systems, messaging, or streaming platforms is a bonus.

AI-Assisted Engineering (LLM-Era Skills):

• Familiarity with modern AI coding tools such as Cursor, Claude Code, Codex, Windsurf, Opencode, or similar.
• Ability to use AI tools for code generation, refactoring, test creation, and learning new systems responsibly.
• Willingness to learn how to combine human judgment with AI assistance for high-quality engineering outcomes.

Soft Skills & Nice to Have

• Appreciation for technology and its ability to create real business value, especially in data and marketing platforms.
• Clear written and verbal communication skills.
• Strong ownership mindset and ability to execute in fast-paced environments.
• Prior internship or startup experience is a plus.

Backend - Software Development Engineer II

Experience - 4+ yrs 

About Wekan Enterprise Solutions

Wekan Enterprise Solutions is a leading Technology Consulting company and a strategic investment partner of MongoDB. We help companies drive innovation in the cloud by adopting modern technology solutions that help them achieve their performance and availability requirements. With strong capabilities around Mobile, IOT and Cloud environments, we have an extensive track record helping Fortune 500 companies modernize their most critical legacy and on-premise applications, migrating them to the cloud and leveraging the most cutting-edge technologies.

Job Description

We are looking for passionate software engineers eager to be a part of our growth journey. The right candidate needs to be interested in working in high-paced and challenging environments. Interested in constantly upskilling, learning new technologies and expanding their domain knowledge to new industries. This candidate needs to be a team player and should be looking to help build a culture of excellence. Do you have what it takes?

You will be working on complex data migrations, modernizing legacy applications and building new applications on the cloud for large enterprise and/or growth stage startups. You will have the opportunity to contribute directly into mission critical projects directly interacting with business stakeholders, customer’s technical teams and MongoDB solutions Architects.

Location - Bangalore

Basic qualifications:

• Good problem solving skills
• Deep understanding of software development life cycle
• Excellent verbal and written communication skills
• Strong focus on quality of work delivered
• Relevant experience of 4+ years building high-performance backend applications with, at least 2 or more projects implemented using the required technologies

Required Technical Skills:

• Extensive hands-on experience building high-performance web back-ends using Node.Js. Having 3+ hands-on experience in Node.JS and Javascript/Typescript and minimum
• Hands-on project experience with Nest.Js
• Strong experience with Express.Js framework
• Hands-on experience in data modeling and schema design in MongoDB 
• Experience integrating with any 3rd party services such as cloud SDKs, payments, push notifications, authentication etc…
• Exposure into unit testing with frameworks such as Mocha, Chai, Jest or others
• Strong experience writing and maintaining clear documentation

Good to have skills:

• Experience working with common services in any of the major cloud providers - AWS or GCP or Azure
• Experience with microservice architecture
• Experience working with other Relational and NoSQL Databases
• Experience with technologies such as Kafka and Redis
• Technical certifications in AWS / Azure / GCP / MongoDB or other relevant technologies

Primary Responsibilities:

Developer for IT Regulatory team, work with the development manager and key stakeholders to understand business requirements and develop moderately complex technical solutions.

Work collaboratively with the team to support existing functionality and build, implement, and support new solutions.

Draft and review technical diagrams, specifications documents and required project documentation.

Conduct code reviews of other developers.

Share experience and knowledge with the team to improve productivity & delivery timelines.

Continuously seek ways to improve our existing architecture, advises on complex code deficiencies, provides systemic proposals, and promote efficiencies where necessary.

Job Requirements:

Undergraduate degree in computer science or technology discipline

5+ years of Core Java Development experience & Integration Technologies (Spring, MQ, JSON, XML, SOAP).

Experience writing SQL queries (DB2, Snowflake).

Crystal reports/Excel Writer/Aspose.

Working knowledge of scripting languages (Perl, Unix Shell, Python).

Experience working with source code repositories (Bitbucket, GitHub)

JavaScript, Angular is a plus.

Sound understanding of Object-Oriented Design & Programming, Enterprise Architecture Patterns and GoF design.

A flexible, tenacious team player with a positive attitude and strong interpersonal skills, able to build collaborative relationships with globally distributed teams.

Strong analytical and design skills with attention to detail.

Excellent communication (verbal and written) skills; Able to communicate with different stakeholders effectively.

Experience developing technical solutions in Investment Management industry.

Understanding of portfolio accounting concepts and trade lifecycle

We are seeking an experienced & highly skilled Java Lead to join our team. The ideal candidate will have a strong background in both front end & Back-end Technologies with expertise in JAVA, and Spring.

As a Lead, you will be responsible for overseeing the development

team, architecture saleable application & ensuring best practices in software development. This role requires a hands on leader with excellent problem solving abilities & a passion for mentoring junior

team members.

Responsibilities

• Lead & mentor a team of developers proving guidance on coding standards, architecture & best
• practices
• Architect, design & develop ent to end JAVA based web applications & ensure high performance,
• security & scalability
• Work closely with cross functional teams, including product managers, designers & other developers
• to ensure alignment on project requirements & deliverable.
• Conduct code reviews & provide constructive feedback to team members to improve code quality &
• maintain a consistent codebase
• Participate in Agile/Scrum Ceremonies such as stand ups, sprint planning & retrospectives to
• contribute to the development process.
• Troubleshoot & resolve complex technical issues & ensure timely resolution of bugs & improvements.
• Stay up to date with emerging technologies & industry trends recommending & implementing
• improvements to keep our stack modern & effective

Skills & Requirements

• Minimum 8 Years of experience in Java development, with at least 2 years in Lead developer role.
• Back-end - Core JAVA/JAVA8, Spring-boot, Spring Framework, Micro-services, Rest API’s, Kafka,
• Database - MySQL
• Must be working in the fintech/ Payments domain

Preferred

• Experience with Batch writing, Application performance, Caches security, Web Security

Required Education:

B.Tech./ BE - Computer, IT, Electronics only

Required Skills:

• 2+ year of experience in Development in JAVA technology.
• Strong Java Basics
• SpringBoot or Spring MVC
• Hands on experience on Relationl Databases (SQL query or Hibernate) + Mongo (JSON parsing)
• Proficient in REST API development
• Messaging Queue (RabitMQ or Kafka)
• Microservices
• Any Caching Mechanism
• Good at problem solving

Good to Have Skills:

• 4+ years of experience in using Java/J2EE tech stacks
• Good understanding of data structures and algorithms.
• Excellent analytical and problem solving skills.
• Ability to work in a fast paced internet start-up environment.
• Experience in technical mentorship/coaching is highly desirable.
• Understanding of AI/ML algorithms is a plus

• 4 to 8 years of industry experience in (JAVA, Spring Boot , Microservices)
• Ability to effectively manage task distribution
• Able to adapt to changing business requirements and react quickly
• Strong customer focus and results-oriented attitude. Self-motivated individual & able to work independently

Roles & Responsibilities:

• Excellent problem-solving & analytical skills & OO principles
• Solid understanding of the data structure & algorithms.
• Expert knowledge with any one of the Javascript Framework such as Node Js.
• Any additional experience with Java or python, GoLang would be nice to have.
• Experience working with SQL database like MySQL or PostgreSQL
• Experience working with NoSQL databases like mongoDB, couchbase would be nice to have
• Working experience with cache like redis, mem cached or elasticache would be nice to have
• Working experience with Message Queues would be a great advantage.
• Experience with deployment & AWS would be nice to have
• Ability to do in depth analysis or problem statement or use case & Build robust & scalable architecture
• Logging & monitoring of the production system in real time
• Lead a team of 2-4 team members & make sure team practices defined coding practices across the project. 

Design and develop robust services in coordination with front-end developers, ensuring the production and development of high-quality and well-tested code

Design, develop and test features alongside other technical departments

Lead the department in the design, development, deployment, and operation of services used by our users

Optimise APIs for any applications while creating and maintaining unit tests for new code as well as fix defects

Participate in the continuous integration of automated builds and deployments, ensuring that deliverables meet functional and design requirements and specifications of the site/software. Work with engineering leadership in solving and architecting solutions for challenging or complex site/software development issues.

Take initiatives in developing and maintaining integrations of best practices within the backend department